Solder paste is a material used in the manufacture of printed circuit boards to connect surface mount components to pads on the board. It is also possible to solder through hole pin in paste components by print solder paste in/over the holes.

We recently had a multi block panal change at the vendor Now the production lines are producing solderability defects in great number. The makeup of the pcb is a type of fiber glass mask green in colo... (See More)

Did anyone make some tests to show the adherence force between placed components and solder paste before soldering? and is there anyone who measure this adherence force during production?and any benif... (See More)

Hi,
We are planning to use RMA flux based Solder Paste for our line. We are currently using a No-Clean Solder Paste. Can I use an aqueous cleaner to clean my board with the above paste ? How wil... (See More)

Dear all:
We had a severe curvature in our boards after wave soldering.Could a second pass in the wavesolder m/c reduce this curvature. If not then what do you recommend to solve this problem. A... (See More)

Sorry about creating a new thread, but I wanted to make sure that this didn't get buried.
I was sent the files and have posted them to the library.
There are three files in a single zipped... (See More)

I have seen in the last couple of months more boards with a white hazing under the solder mask. I ran a few tests on a board to determine the cause of the white hazing underneath the solder mask. Firs... (See More)

Has anyone had any experience with 60/40 Sn/Ni(300 u in.) over Ni(300 u in.)? If so, what kind of solder issues might exist with 63/37 Sn/Pb reflow? Is a different paste needed? Also, what is the bene... (See More)

OK International (www.okinternational.com) has launched a new soldering system for PV tabbing and bussing applications proven to reduce micro cracking. The PS900 with specially designed hoof tip geome... (See More)